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<h2><span class="refentrytitle">Struct key_value_pair</span></h2>
<p>boost::process::v2::environment::key_value_pair</p>
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<h2 class="refsynopsisdiv-title">Synopsis</h2>
<div class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../mpi/reference.html#doxygen.environment_8hpp" title="Header &lt;boost/mpi/environment.hpp&gt;">boost/process/v2/environment.hpp</a>&gt;

</span>
<span class="keyword">struct</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">{</span>
  <span class="comment">// types</span>
  <span class="keyword">typedef</span> <span class="identifier">char_type</span>                      <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1aae2cb72daccb55900444b51c3eb0dbc0"></a><span class="identifier">value_type</span><span class="special">;</span>      
  <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">char_traits</span><span class="special">&lt;</span> <span class="identifier">char_type</span> <span class="special">&gt;</span>  <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a08d427b766e65199b3515cc1aa6b4bf1"></a><span class="identifier">traits_type</span><span class="special">;</span>     
  <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special">&lt;</span> <span class="identifier">char_type</span> <span class="special">&gt;</span> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a01ad45739731129785031d716e941832"></a><span class="identifier">string_type</span><span class="special">;</span>     
  <span class="keyword">typedef</span> <a class="link" href="structboost_1_1process_1_1v2_1_1basic__cstring__ref.html" title="Struct template basic_cstring_ref">basic_cstring_ref</a><span class="special">&lt;</span> <span class="identifier">char_type</span> <span class="special">&gt;</span> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a00d0fe9548eb341432e26aa4848ad74f"></a><span class="identifier">string_view_type</span><span class="special">;</span>

  <span class="comment">// <a class="link" href="boost_interprocess_header_reference/classboost_1_1interprocess_1_1message__queue__t.html#id31-bb">public member functions</a></span>
  <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a22c356b8a06431a81eac53be17302695"><span class="identifier">key_value_pair</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a17cbdca8a287dddc0d4dafb6672f78cc"><span class="identifier">key_value_pair</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">&amp;</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">default</span><span class="special">;</span>
  <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a85c1cf61f9c396f839f0d8fc2a65f2a2"><span class="identifier">key_value_pair</span></a><span class="special">(</span><a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">&amp;&amp;</span><span class="special">)</span><span class="special">;</span>
  <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a79f985ae2d209bcf4ef4abf3b3ef11bd"><span class="identifier">key_value_pair</span></a><span class="special">(</span><a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__view.html" title="Struct key_view">key_view</a><span class="special">,</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1value__view.html" title="Struct value_view">value_view</a><span class="special">)</span><span class="special">;</span>
  <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a4a6b81ea99b2dbd5b251911db1dde374"><span class="identifier">key_value_pair</span></a><span class="special">(</span><a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__view.html" title="Struct key_view">key_view</a><span class="special">,</span> 
                 <span class="identifier">std</span><span class="special">::</span><span class="identifier">initializer_list</span><span class="special">&lt;</span> <span class="identifier">basic_string_view</span><span class="special">&lt;</span> <span class="identifier">char_type</span> <span class="special">&gt;</span> <span class="special">&gt;</span><span class="special">)</span><span class="special">;</span>
  <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a8c9d52a3b9b42162c7ddc18585566dc2"><span class="identifier">key_value_pair</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">string_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1adaaa27f1ab3b710ddbb6b2f4fff4cff4"><span class="identifier">key_value_pair</span></a><span class="special">(</span><span class="identifier">string_type</span> <span class="special">&amp;&amp;</span><span class="special">)</span><span class="special">;</span>
  <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a4746b3af0ad045ffe26203977fab6d3e"><span class="identifier">key_value_pair</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">value_type</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span>
  <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a06d63016d7a82122abe66befc6d6e1a1"><span class="identifier">key_value_pair</span></a><span class="special">(</span><span class="identifier">value_type</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">explicit</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a332d82a3db70d2370a1d6b1a909401f3"><span class="identifier">key_value_pair</span></a><span class="special">(</span><a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair__view.html" title="Struct key_value_pair_view">key_value_pair_view</a><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Source<span class="special">&gt;</span> 
    <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a8d100414a78c055fd89edde8c0de0c15"><span class="identifier">key_value_pair</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">Source</span> <span class="special">&amp;</span><span class="special">,</span> 
                   <span class="keyword">decltype</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">declval</span><span class="special">&lt;</span> <span class="identifier">Source</span> <span class="special">&gt;</span><span class="special">(</span><span class="special">)</span><span class="special">.</span><span class="identifier">data</span><span class="special">(</span><span class="special">)</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">nullptr</span><span class="special">,</span> 
                   <span class="keyword">decltype</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">declval</span><span class="special">&lt;</span> <span class="identifier">Source</span> <span class="special">&gt;</span><span class="special">(</span><span class="special">)</span><span class="special">.</span><span class="identifier">size</span><span class="special">(</span><span class="special">)</span><span class="special">)</span> <span class="special">=</span> <span class="number">0u</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Key<span class="special">,</span> <span class="keyword">typename</span> Value<span class="special">&gt;</span> 
    <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a120bb13a9c7943b8f8d05e0307e324a7"><span class="identifier">key_value_pair</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">pair</span><span class="special">&lt;</span> <span class="identifier">Key</span><span class="special">,</span> <span class="identifier">Value</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a847144054dae5c8e321501a845e9adc6"><span class="identifier">key_value_pair</span></a><span class="special">(</span><span class="keyword">const</span> <span class="keyword">typename</span> <span class="identifier">conditional</span><span class="special">&lt;</span> <span class="identifier">is_same</span><span class="special">&lt;</span> <span class="identifier">value_type</span><span class="special">,</span> <span class="keyword">char</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">value</span><span class="special">,</span> <span class="keyword">wchar_t</span><span class="special">,</span> <span class="keyword">char</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">type</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> InputIt<span class="special">,</span> 
           <span class="keyword">typename</span> std::iterator_traits&lt; InputIt &gt;::iterator_category<span class="special">&gt;</span> 
    <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1ada6a16c2034249238e9411145a1041fe"><span class="identifier">key_value_pair</span></a><span class="special">(</span><span class="identifier">InputIt</span><span class="special">,</span> <span class="identifier">InputIt</span><span class="special">)</span><span class="special">;</span>
  <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1ab47fababce86669cac7c60a93457e1af"><span class="special">~</span><span class="identifier">key_value_pair</span></a><span class="special">(</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">default</span><span class="special">;</span>
  <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">&amp;</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a2bdce3b7e8602ac07d967342af294369"><span class="keyword">operator</span><span class="special">=</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">&amp;</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">default</span><span class="special">;</span>
  <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">&amp;</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a2706f029f0c4a22b1fd6539231d57f83"><span class="keyword">operator</span><span class="special">=</span></a><span class="special">(</span><a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">&amp;&amp;</span><span class="special">)</span><span class="special">;</span>
  <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">&amp;</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1ae68314f8596c524126f26747acdc6ebf"><span class="keyword">operator</span><span class="special">=</span></a><span class="special">(</span><span class="identifier">string_type</span> <span class="special">&amp;&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Source<span class="special">&gt;</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">&amp;</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a0ec460f552df5669adb79d2c096c03eb"><span class="keyword">operator</span><span class="special">=</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">Source</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">&amp;</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1ab19630986c504ca78c1337c0b48416b2"><span class="identifier">assign</span></a><span class="special">(</span><span class="identifier">string_type</span> <span class="special">&amp;&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Source<span class="special">&gt;</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">&amp;</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a7fcdad428adfa849625d436629dd8f2c"><span class="identifier">assign</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">Source</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> InputIt<span class="special">&gt;</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">&amp;</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a596822eeb87b897019f343ac6c1970e6"><span class="identifier">assign</span></a><span class="special">(</span><span class="identifier">InputIt</span><span class="special">,</span> <span class="identifier">InputIt</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">void</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1afd8ff4d1bbf088d363962d5c879203e8"><span class="identifier">clear</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">void</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1ac2c8ada65fea98219504cfcd41953be3"><span class="identifier">swap</span></a><span class="special">(</span><a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span>
  <span class="keyword">const</span> <span class="identifier">value_type</span> <span class="special">*</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a9b0675d579e40497d4146ca16e403a8b"><span class="identifier">c_str</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
  <span class="keyword">const</span> <span class="identifier">string_type</span> <span class="special">&amp;</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1ac2f2dc2100ded4d8378cd1ebe5a6edcd"><span class="identifier">native</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
  <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a00d0fe9548eb341432e26aa4848ad74f">string_view_type</a> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a79a27a8cb849fea158087ed0afe06493"><span class="identifier">native_view</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
  <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1ab97a667d5ca038aca69f8e0b600fa1d0"><span class="keyword">operator</span> <span class="identifier">string_type</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1ac98e910bb8736aa9fa88f6ff014bb094"><span class="keyword">operator</span> <span class="identifier">string_view_type</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1ae8061c135d66877eacb25310cd4930ec"><span class="keyword">operator</span> <span class="keyword">typename</span> <span class="identifier">string_view_type</span><span class="special">::</span><span class="identifier">string_view_type</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a476cf47398e6a03bd704428261265970"><span class="keyword">operator</span> <span class="identifier">key_value_pair_view</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">int</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1af1526abfa74d507bdc4b44e924397c21"><span class="identifier">compare</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
  <span class="keyword">int</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a43805ddac05cf5ef72a939746e35f0d4"><span class="identifier">compare</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">string_type</span> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">int</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a2879fc5c04bf89073df65197f07d7c49"><span class="identifier">compare</span></a><span class="special">(</span><a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a00d0fe9548eb341432e26aa4848ad74f">string_view_type</a><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">int</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1aa81fca1035400722c485885df3fff06c"><span class="identifier">compare</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">value_type</span> <span class="special">*</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> Traits <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">char_traits</span><span class="special">&lt;</span><span class="identifier">CharT</span><span class="special">&gt;</span><span class="special">,</span> 
           <span class="keyword">typename</span> Alloc <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special">&lt;</span><span class="identifier">CharT</span><span class="special">&gt;</span> <span class="special">&gt;</span> 
    <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span><span class="special">,</span> <span class="identifier">Alloc</span> <span class="special">&gt;</span> 
    <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a9d2e8a55c027f774617cdc56776fa68d"><span class="identifier">basic_string</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">Alloc</span> <span class="special">&amp;</span> <span class="special">=</span> <span class="identifier">Alloc</span><span class="special">(</span><span class="special">)</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1afb8d1344c1f90a1e5c61fbc6a0e400f4"><span class="identifier">string</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="identifier">std</span><span class="special">::</span><span class="identifier">wstring</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a6d97cfa92b830a89b6ce60fb7ef66a79"><span class="identifier">wstring</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">const</span> <span class="identifier">string_type</span> <span class="special">&amp;</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1aeffcf35369cf56745530303416ad5c34"><span class="identifier">native_string</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">bool</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a89ab872234ba219175bddceed208f44c"><span class="identifier">empty</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">struct</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__view.html" title="Struct key_view">key_view</a> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a7968e4e6bde5d9af8b2be07d01b79069"><span class="identifier">key</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">struct</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1value__view.html" title="Struct value_view">value_view</a> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a9e2f2804276d7a6ca4ff7b58fc636e36"><span class="identifier">value</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">const</span> <span class="identifier">value_type</span> <span class="special">*</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1afcba7a6842dce36016dcf0f8d80c3182"><span class="identifier">data</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a0f904c2fb7f42e107930d607ee9cdfd0"><span class="identifier">size</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> Idx<span class="special">&gt;</span> <span class="keyword">virtual</span> <span class="keyword">auto</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a69a168de70ec576c4fdff39e4ab82bf8"><span class="identifier">get</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="special">=</span> <span class="number">0</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="special">&gt;</span> <span class="keyword">virtual</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__view.html" title="Struct key_view">key_view</a> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a4bd2c0583eee209e13d4eab02e0558b4"><span class="identifier">get</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="special">=</span> <span class="number">0</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="special">&gt;</span> <span class="keyword">virtual</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1value__view.html" title="Struct value_view">value_view</a> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a452bab216a14e8da7a4b9299a0a5100a"><span class="identifier">get</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="special">=</span> <span class="number">0</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="id-1.3.30.5.8.5.5.4"></a><h2>Description</h2>
<div class="refsect2">
<a name="id-1.3.30.5.8.5.5.4.2"></a><h3>
<a name="id31-bb"></a><code class="computeroutput">key_value_pair</code> public member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem"><pre class="literallayout"><a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a22c356b8a06431a81eac53be17302695"></a><span class="identifier">key_value_pair</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a17cbdca8a287dddc0d4dafb6672f78cc"></a><span class="identifier">key_value_pair</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">&amp;</span> p<span class="special">)</span> <span class="special">=</span> <span class="keyword">default</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a85c1cf61f9c396f839f0d8fc2a65f2a2"></a><span class="identifier">key_value_pair</span><span class="special">(</span><a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">&amp;&amp;</span> p<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a79f985ae2d209bcf4ef4abf3b3ef11bd"></a><span class="identifier">key_value_pair</span><span class="special">(</span><a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__view.html" title="Struct key_view">key_view</a> key<span class="special">,</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1value__view.html" title="Struct value_view">value_view</a> value<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a4a6b81ea99b2dbd5b251911db1dde374"></a><span class="identifier">key_value_pair</span><span class="special">(</span><a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__view.html" title="Struct key_view">key_view</a> key<span class="special">,</span> 
               <span class="identifier">std</span><span class="special">::</span><span class="identifier">initializer_list</span><span class="special">&lt;</span> <span class="identifier">basic_string_view</span><span class="special">&lt;</span> <span class="identifier">char_type</span> <span class="special">&gt;</span> <span class="special">&gt;</span> values<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a8c9d52a3b9b42162c7ddc18585566dc2"></a><span class="identifier">key_value_pair</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">string_type</span> <span class="special">&amp;</span> source<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1adaaa27f1ab3b710ddbb6b2f4fff4cff4"></a><span class="identifier">key_value_pair</span><span class="special">(</span><span class="identifier">string_type</span> <span class="special">&amp;&amp;</span> source<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a4746b3af0ad045ffe26203977fab6d3e"></a><span class="identifier">key_value_pair</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">value_type</span> <span class="special">*</span> raw<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a06d63016d7a82122abe66befc6d6e1a1"></a><span class="identifier">key_value_pair</span><span class="special">(</span><span class="identifier">value_type</span> <span class="special">*</span> raw<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">explicit</span> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a332d82a3db70d2370a1d6b1a909401f3"></a><span class="identifier">key_value_pair</span><span class="special">(</span><a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair__view.html" title="Struct key_value_pair_view">key_value_pair_view</a> kv<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Source<span class="special">&gt;</span> 
  <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a8d100414a78c055fd89edde8c0de0c15"></a><span class="identifier">key_value_pair</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">Source</span> <span class="special">&amp;</span> source<span class="special">,</span> 
                 <span class="keyword">decltype</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">declval</span><span class="special">&lt;</span> <span class="identifier">Source</span> <span class="special">&gt;</span><span class="special">(</span><span class="special">)</span><span class="special">.</span><span class="identifier">data</span><span class="special">(</span><span class="special">)</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">nullptr</span><span class="special">,</span> 
                 <span class="keyword">decltype</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">declval</span><span class="special">&lt;</span> <span class="identifier">Source</span> <span class="special">&gt;</span><span class="special">(</span><span class="special">)</span><span class="special">.</span><span class="identifier">size</span><span class="special">(</span><span class="special">)</span><span class="special">)</span> <span class="special">=</span> <span class="number">0u</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Key<span class="special">,</span> <span class="keyword">typename</span> Value<span class="special">&gt;</span> 
  <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a120bb13a9c7943b8f8d05e0307e324a7"></a><span class="identifier">key_value_pair</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">pair</span><span class="special">&lt;</span> <span class="identifier">Key</span><span class="special">,</span> <span class="identifier">Value</span> <span class="special">&gt;</span> <span class="special">&amp;</span> kv<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a847144054dae5c8e321501a845e9adc6"></a><span class="identifier">key_value_pair</span><span class="special">(</span><span class="keyword">const</span> <span class="keyword">typename</span> <span class="identifier">conditional</span><span class="special">&lt;</span> <span class="identifier">is_same</span><span class="special">&lt;</span> <span class="identifier">value_type</span><span class="special">,</span> <span class="keyword">char</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">value</span><span class="special">,</span> <span class="keyword">wchar_t</span><span class="special">,</span> <span class="keyword">char</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">type</span> <span class="special">*</span> raw<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> InputIt<span class="special">,</span> 
         <span class="keyword">typename</span> std::iterator_traits&lt; InputIt &gt;::iterator_category<span class="special">&gt;</span> 
  <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1ada6a16c2034249238e9411145a1041fe"></a><span class="identifier">key_value_pair</span><span class="special">(</span><span class="identifier">InputIt</span> first<span class="special">,</span> <span class="identifier">InputIt</span> last<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1ab47fababce86669cac7c60a93457e1af"></a><span class="special">~</span><span class="identifier">key_value_pair</span><span class="special">(</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">default</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">&amp;</span> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a2bdce3b7e8602ac07d967342af294369"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">&amp;</span> p<span class="special">)</span> <span class="special">=</span> <span class="keyword">default</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">&amp;</span> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a2706f029f0c4a22b1fd6539231d57f83"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">&amp;&amp;</span> p<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">&amp;</span> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1ae68314f8596c524126f26747acdc6ebf"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><span class="identifier">string_type</span> <span class="special">&amp;&amp;</span> source<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Source<span class="special">&gt;</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">&amp;</span> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a0ec460f552df5669adb79d2c096c03eb"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">Source</span> <span class="special">&amp;</span> source<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">&amp;</span> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1ab19630986c504ca78c1337c0b48416b2"></a><span class="identifier">assign</span><span class="special">(</span><span class="identifier">string_type</span> <span class="special">&amp;&amp;</span> source<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Source<span class="special">&gt;</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">&amp;</span> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a7fcdad428adfa849625d436629dd8f2c"></a><span class="identifier">assign</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">Source</span> <span class="special">&amp;</span> source<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> InputIt<span class="special">&gt;</span> 
  <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">&amp;</span> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a596822eeb87b897019f343ac6c1970e6"></a><span class="identifier">assign</span><span class="special">(</span><span class="identifier">InputIt</span> first<span class="special">,</span> <span class="identifier">InputIt</span> last<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1afd8ff4d1bbf088d363962d5c879203e8"></a><span class="identifier">clear</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1ac2c8ada65fea98219504cfcd41953be3"></a><span class="identifier">swap</span><span class="special">(</span><a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">&amp;</span> other<span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">const</span> <span class="identifier">value_type</span> <span class="special">*</span> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a9b0675d579e40497d4146ca16e403a8b"></a><span class="identifier">c_str</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">const</span> <span class="identifier">string_type</span> <span class="special">&amp;</span> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1ac2f2dc2100ded4d8378cd1ebe5a6edcd"></a><span class="identifier">native</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a00d0fe9548eb341432e26aa4848ad74f">string_view_type</a> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a79a27a8cb849fea158087ed0afe06493"></a><span class="identifier">native_view</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1ab97a667d5ca038aca69f8e0b600fa1d0"></a><span class="keyword">operator</span> <span class="identifier">string_type</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1ac98e910bb8736aa9fa88f6ff014bb094"></a><span class="keyword">operator</span> <span class="identifier">string_view_type</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1ae8061c135d66877eacb25310cd4930ec"></a><span class="keyword">operator</span> <span class="keyword">typename</span> <span class="identifier">string_view_type</span><span class="special">::</span><span class="identifier">string_view_type</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a476cf47398e6a03bd704428261265970"></a><span class="keyword">operator</span> <span class="identifier">key_value_pair_view</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">int</span> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1af1526abfa74d507bdc4b44e924397c21"></a><span class="identifier">compare</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html" title="Struct key_value_pair">key_value_pair</a> <span class="special">&amp;</span> p<span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">int</span> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a43805ddac05cf5ef72a939746e35f0d4"></a><span class="identifier">compare</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">string_type</span> <span class="special">&amp;</span> str<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">int</span> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a2879fc5c04bf89073df65197f07d7c49"></a><span class="identifier">compare</span><span class="special">(</span><a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair.html#doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a00d0fe9548eb341432e26aa4848ad74f">string_view_type</a> str<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">int</span> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1aa81fca1035400722c485885df3fff06c"></a><span class="identifier">compare</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">value_type</span> <span class="special">*</span> s<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> Traits <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">char_traits</span><span class="special">&lt;</span><span class="identifier">CharT</span><span class="special">&gt;</span><span class="special">,</span> 
         <span class="keyword">typename</span> Alloc <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special">&lt;</span><span class="identifier">CharT</span><span class="special">&gt;</span> <span class="special">&gt;</span> 
  <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span><span class="special">,</span> <span class="identifier">Alloc</span> <span class="special">&gt;</span> 
  <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a9d2e8a55c027f774617cdc56776fa68d"></a><span class="identifier">basic_string</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">Alloc</span> <span class="special">&amp;</span> alloc <span class="special">=</span> <span class="identifier">Alloc</span><span class="special">(</span><span class="special">)</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1afb8d1344c1f90a1e5c61fbc6a0e400f4"></a><span class="identifier">string</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="identifier">std</span><span class="special">::</span><span class="identifier">wstring</span> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a6d97cfa92b830a89b6ce60fb7ef66a79"></a><span class="identifier">wstring</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">const</span> <span class="identifier">string_type</span> <span class="special">&amp;</span> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1aeffcf35369cf56745530303416ad5c34"></a><span class="identifier">native_string</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">bool</span> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a89ab872234ba219175bddceed208f44c"></a><span class="identifier">empty</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">struct</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__view.html" title="Struct key_view">key_view</a> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a7968e4e6bde5d9af8b2be07d01b79069"></a><span class="identifier">key</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">struct</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1value__view.html" title="Struct value_view">value_view</a> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a9e2f2804276d7a6ca4ff7b58fc636e36"></a><span class="identifier">value</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">const</span> <span class="identifier">value_type</span> <span class="special">*</span> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1afcba7a6842dce36016dcf0f8d80c3182"></a><span class="identifier">data</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a0f904c2fb7f42e107930d607ee9cdfd0"></a><span class="identifier">size</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> Idx<span class="special">&gt;</span> <span class="keyword">virtual</span> <span class="keyword">auto</span> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a69a168de70ec576c4fdff39e4ab82bf8"></a><span class="identifier">get</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="special">=</span> <span class="number">0</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="special">&gt;</span> <span class="keyword">virtual</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1key__view.html" title="Struct key_view">key_view</a> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a4bd2c0583eee209e13d4eab02e0558b4"></a><span class="identifier">get</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="special">=</span> <span class="number">0</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="special">&gt;</span> <span class="keyword">virtual</span> <a class="link" href="structboost_1_1process_1_1v2_1_1environment_1_1value__view.html" title="Struct value_view">value_view</a> <a name="doxygen.structboost_1_1process_1_1v2_1_1environment_1_1key__value__pair_1a452bab216a14e8da7a4b9299a0a5100a"></a><span class="identifier">get</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="special">=</span> <span class="number">0</span><span class="special">;</span></pre></li>
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